3640506364 has 24 divisors (see below), whose sum is σ = 6956885376. Its totient is φ = 1653150000.

The previous prime is 3640506341. The next prime is 3640506379. The reversal of 3640506364 is 4636050463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5239 + ... + 85489.

It is an arithmetic number, because the mean of its divisors is an integer number (289870224).

Almost surely, 2^3640506364 is an apocalyptic number.

It is an amenable number.

3640506364 is a deficient number, since it is larger than the sum of its proper divisors (3316379012).

3640506364 is a wasteful number, since it uses less digits than its factorization.

3640506364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81297 (or 81295 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 3640506364 is about 60336.6088208477. The cubic root of 3640506364 is about 1538.3456631770.

The spelling of 3640506364 in words is "three billion, six hundred forty million, five hundred six thousand, three hundred sixty-four".